Handle nut



FIG. 1 is a front elevational view of a handle nut embodying my new design, the rear being identical;

FIG. 2 is a side elevational view thereof, the side opposite being identical;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a handle nut, as shown and described. 